Granted Patent
Utility
US 4,464,677 · App. 06/302,475
Method and circuit arrangement for partial recorrection of color recognition spaces in color recognition
Inventors:
Franz Kuhn, Wilfried Lippek
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Sep 10, 1981
Inventors
Franz Kuhn
Wilfried Lippek
Assignee (at issue)
Dr. Ing. Rudolf Hell GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.